
Matrix SETU ATA211G System Manual 31
4. If you want to Authenticate Incoming Calls on SIP, that is, you want to allow incoming calls only after
callers have authenticated themselves. You can select:
• PIN: Select this option to authenticate callers with a unique PIN.
• Digest: Select this type of authentication if you want to allow incoming calls on the SIP Trunk only after
callers have authenticated themselves with their User ID and Password.
Default: Disabled.
If you have selected PIN, you must configure the PIN Authentication Table. To do this,
• Click the arrow icon.
• The PIN Authentication page opens in a new window.
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